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Gene Duplication and Redundancy

  1. Andreas Wagner

Published Online: 26 FEB 2003

DOI: 10.1038/npg.els.0001163



How to Cite

Wagner, A. 2003. Gene Duplication and Redundancy. eLS. .

Author Information

  1. University of New Mexico, Albuquerque, New Mexico, USA

Publication History

  1. Published Online: 26 FEB 2003


Gene duplications create one or more copies of a gene in a genome. They are important forces of genome evolution which change genome size and lead to the evolution of new gene functions.


  • genome evolution;
  • natural selection;
  • gene knockout